ffmpeg/libavcodec/x86/jpeg2000dsp.asm

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;******************************************************************************
;* SIMD-optimized JPEG2000 DSP functions
;* Copyright (c) 2014 Nicolas Bertrand
;* Copyright (c) 2015 James Almer
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "libavutil/x86/x86util.asm"
SECTION_RODATA 32
pf_ict0: times 8 dd 1.402
pf_ict1: times 8 dd 0.34413
pf_ict2: times 8 dd 0.71414
pf_ict3: times 8 dd 1.772
SECTION .text
;***********************************************************************
; ff_ict_float_<opt>(float *src0, float *src1, float *src2, int csize)
;***********************************************************************
%macro ICT_FLOAT 1
cglobal ict_float, 4, 4, %1, src0, src1, src2, csize
shl csized, 2
add src0q, csizeq
add src1q, csizeq
add src2q, csizeq
neg csizeq
movaps m6, [pf_ict0]
movaps m7, [pf_ict1]
%define ICT0 m6
%define ICT1 m7
%if ARCH_X86_64
movaps m8, [pf_ict2]
%define ICT2 m8
%if cpuflag(avx)
movaps m3, [pf_ict3]
%define ICT3 m3
%else
movaps m9, [pf_ict3]
%define ICT3 m9
%endif
%else ; ARCH_X86_32
%define ICT2 [pf_ict2]
%if cpuflag(avx)
movaps m3, [pf_ict3]
%define ICT3 m3
%else
%define ICT3 [pf_ict3]
%endif
%endif ; ARCH
align 16
.loop
movaps m0, [src0q+csizeq]
movaps m1, [src1q+csizeq]
movaps m2, [src2q+csizeq]
%if cpuflag(avx)
mulps m5, m1, ICT1
mulps m4, m2, ICT0
mulps m1, m1, ICT3
mulps m2, m2, ICT2
subps m5, m0, m5
%else ; sse
movaps m3, m1
movaps m4, m2
movaps m5, m0
mulps m3, ICT1
mulps m4, ICT0
mulps m1, ICT3
mulps m2, ICT2
subps m5, m3
%endif
addps m4, m4, m0
addps m0, m0, m1
subps m5, m5, m2
movaps [src0q+csizeq], m4
movaps [src2q+csizeq], m0
movaps [src1q+csizeq], m5
add csizeq, mmsize
jl .loop
REP_RET
%endmacro
INIT_XMM sse
ICT_FLOAT 10
INIT_YMM avx
ICT_FLOAT 9
;***************************************************************************
; ff_rct_int_<opt>(int32_t *src0, int32_t *src1, int32_t *src2, int csize)
;***************************************************************************
%macro RCT_INT 0
cglobal rct_int, 4, 4, 4, src0, src1, src2, csize
shl csized, 2
add src0q, csizeq
add src1q, csizeq
add src2q, csizeq
neg csizeq
align 16
.loop:
mova m1, [src1q+csizeq]
mova m2, [src2q+csizeq]
mova m0, [src0q+csizeq]
paddd m3, m1, m2
psrad m3, 2
psubd m0, m3
paddd m1, m0
paddd m2, m0
mova [src1q+csizeq], m0
mova [src2q+csizeq], m1
mova [src0q+csizeq], m2
add csizeq, mmsize
jl .loop
REP_RET
%endmacro
INIT_XMM sse2
RCT_INT
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
RCT_INT
%endif